What Is the Prime Meridian and Why Is It Important?

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Detailed Solution

The prime meridian is the imaginary line at 0° longitude that divides the Earth into the Eastern and Western Hemispheres. It passes through Greenwich, England, and serves as the starting point for measuring longitude and establishing time zones.

The prime meridian is crucial for navigation, mapping, and global communication. It provides a standardized reference for time (Greenwich Mean Time) and coordinates, making it possible to synchronize clocks and maps worldwide.

Real-World Example

Airlines, shipping companies, and GPS systems all rely on the prime meridian for accurate navigation and scheduling.

Actionable Insights

Understanding longitude and the prime meridian is essential for geography, navigation, and global communication.
The adoption of a universal prime meridian in 1884 enabled standardized timekeeping and mapmaking.

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